| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | antarkta | antarktaj |
| Accusative | antarktan | antarktajn |
| Afrikaans | Antarkties |
|---|---|
| Catalan | antàrtic |
| Dutch | Antarctisch; zuidpool‐; antarctisch |
| English | Antarctic |
| French | antarctique |
| German | antarktisch; südpolar |
| Greek | Ανταρκτικός |
| Hungarian | antarktikus; antarktiszi |
| Italian | antartico |
| Portuguese | do pólo sul; antártico |
| Saterland Frisian | antarktisk; suudpolar |
| Spanish | antártico |